Construction will begin on or about February 18, 2025, and is scheduled to be completed in Spring 2025. Two additional phases of construction are scheduled for Spring 2026 and Spring 2027, to be completed in Summer 2026 and Summer 2027, respectively. Regular schedule updates will be posted online. Check back weekly for news and updates.

Within National Grid’s fenced-in facility on New Highway, between Commack Road and Harned Road, in Commack NY.

These station upgrades will require the use of excavators, vacuum trucks, and other heavy equipment, which may result in higher than usual noise emanating from the facility. The project includes excavations, installation of new equipment, crane lifts, backfilling, and restoration of the site.

National Grid is making investments to reinforce the local energy distribution system in your neighborhood to ensure customers receive safe and reliable energy service, especially during the heating season.

Yes. National Grid’s top priority is the safety of its customers, the general public, and its employees and contractors. The professional construction firms we work with also place safety as their top priority.

No. This work will be managed so that service interruption will not be an issue.

No. All work will take place within the National Grid facility.

No. All work will take place within the National Grid facility.

While we make efforts to keep disturbance to a minimum, there will be noise associated with this project. Most of that noise will occur while excavation is underway as we use heavy equipment to trench.

Please call our line (631-213-2009) or email Box.LIprojects@nationalgrid.com to speak with a member of our outreach team. We also have a dedicated project webpage—ngrid.com/southcommack—featuring construction updates with information regarding work locations and timelines.